<template>
  <div>
    <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
      <el-form-item label="部门名称" prop="name">
        <el-input
          v-model="form.name"
          style="width:80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input
          v-model="form.code"
          style="width:80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select
          v-model="form.manager"
          style="width:80%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in EmployeesList"
            :key="item.id"
            :value="item.username"
            :label="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input
          v-model="form.introduce"
          style="width:80%"
          placeholder="1-300个字符"
          type="textarea"
          :rows="3"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="$emit('close')">取消</el-button>
      </el-form-item>
    </el-form>

  </div>
</template>

<script>

import { addDepartments, updateDepartments, getDepartmentDetail } from '@/api/departments'
import { getEmployeesSimple } from '@/api/employees'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 校验部门的编码唯一性
    const validCode = (rule, value, callback) => {
      console.log(value, 'value')
      console.log(this.originList, 'this.originList')
      let existCodeList = this.originList.map(item => item.code)
      // 编辑状态 先移除自己的编码
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      console.log(existCodeList)
      if (existCodeList.includes(value)) {
        // 存在 抛出错误 提示编码已存在
        callback(new Error(`部门:${value}已存在!`))
      } else {
        callback() // 放行
      }
    }
    // 校验部门名称在同级不重复
    const validName = (rule, value, callback) => {
      console.log(value, 'value')
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log(existNameList)
      if (this.idEdit) {
        // 所有的部门数据 originList
        const curDepartment = this.originList.find(item => item.id === this.id)
        const pid = curDepartment.pid
        // 所有的兄弟部门pid是一样的 找所有的兄弟 包括自己
        const brothers = this.originList.filter(item => item.pid === pid)
        // 拍出自己
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log(existNameList)
      if (existNameList.includes(value)) {
        callback(new Error(`部门名称:${value} 已存在`))
      } else {
        callback() // 放行
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度是1~50的字符', trigger: blur },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度是1~50的字符', trigger: blur },
          { validator: validCode, trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '请输入部门介绍', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入长度是1~50的字符', trigger: blur }
        ],
        manager: [
          { required: true, message: '请输入部门负责人', trigger: 'blur' }

        ]
      },
      EmployeesList: []
    }
  },
  // watch: {
  //   // 'id': function(newVal, oldVal) {
  //   //   console.log(newVal, oldVal)
  //   //   console.log('this', this)
  //   //   this.loadDepartmentsDetail
  //   // }
  //   'id': {
  //     handler: function(newVal, oldVal) {
  //       // console.log('this', this)
  //       this.loadDepartmentsDetail()
  //     },
  //     deep: true, // 开启深度监听
  //     immediate: true // 组件加载,就执行
  //   }
  // },
  created() {
    this.loadEmployeesSimple()
    if (this.isEdit) {
      this.loadDepartmentsDetail()
    }
  },
  methods: {
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    // 获取部门详情
    async loadDepartmentsDetail() {
      // 发送请求
      try {
        const res = await getDepartmentDetail(this.id)
        // 失败
        if (res.code !== 10000) return this.$message.error(res.message)
        // 成功
        this.form = res.data
      } catch (error) {
        this.$message.error(error)
      }
    },
    async loadEmployeesSimple() {
      try {
        const res = await getEmployeesSimple()
        console.log(res)
        if (res.code === 10000) {
          this.$message.success(res.message)
          this.EmployeesList = res.data
        }
      } catch (error) {
        // console.log(error, '....')
        this.$message.error(error)
        // new Error(error)
      }
    },
    // 确定
    hSubmit() {
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 修改部门
    async doEdit() {
      // 发送请求
      try {
        const res = await updateDepartments(this.form)
        // 失败
        if (res.code !== 10000) return this.$message.error(res.message)
        // 成功
        this.$message.success(res.message)
        // 重新渲染数据,子传父
        this.$emit('success')
      } catch (error) {
        this.$message.error(error)
      }
    },
    // 添加部门
    async doAdd() {
      // 发送请求
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        console.log(res)
        // 失败
        if (res.code !== 10000) return this.$message.error(res.message)
        // 成功
        this.$message.success(res.message)
        // 重新渲染数据,子传父
        this.$emit('success')
      } catch (error) {
        this.$message.error(error)
      }
    },
    // 取消
    hCancel() {}
  }
}
</script>

<style>
</style>
